form1.cs

这是我的第一个,里面有好多个游戏,要是不对给我留言,

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace 鼠标事件
{
	/// <summary>
	/// Form1 的摘要说明。
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.PictureBox pictureBox1;
		private System.Windows.Forms.PictureBox pictureBox2;
		private System.Windows.Forms.TrackBar trackBar1;
		private System.Windows.Forms.TrackBar trackBar2;
		private System.Windows.Forms.TrackBar trackBar3;
		Bitmap bmp=new Bitmap(432,304);
		int oldx,oldy;
		int point;
		Color pen_c;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows 窗体设计器生成的代码
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{
			this.pictureBox1 = new System.Windows.Forms.PictureBox();
			this.pictureBox2 = new System.Windows.Forms.PictureBox();
			this.trackBar1 = new System.Windows.Forms.TrackBar();
			this.trackBar2 = new System.Windows.Forms.TrackBar();
			this.trackBar3 = new System.Windows.Forms.TrackBar();
			((System.ComponentModel.ISupportInitialize)(this.trackBar1)).BeginInit();
			((System.ComponentModel.ISupportInitialize)(this.trackBar2)).BeginInit();
			((System.ComponentModel.ISupportInitialize)(this.trackBar3)).BeginInit();
			this.SuspendLayout();
			// 
			// pictureBox1
			// 
			this.pictureBox1.Location = new System.Drawing.Point(32, 8);
			this.pictureBox1.Name = "pictureBox1";
			this.pictureBox1.Size = new System.Drawing.Size(152, 136);
			this.pictureBox1.TabIndex = 0;
			this.pictureBox1.TabStop = false;
			// 
			// pictureBox2
			// 
			this.pictureBox2.Location = new System.Drawing.Point(24, 168);
			this.pictureBox2.Name = "pictureBox2";
			this.pictureBox2.Size = new System.Drawing.Size(496, 216);
			this.pictureBox2.TabIndex = 1;
			this.pictureBox2.TabStop = false;
			this.pictureBox2.MouseMove += new System.Windows.Forms.MouseEventHandler(this.pictureBox2_MouseMove);
			this.pictureBox2.MouseDown += new System.Windows.Forms.MouseEventHandler(this.pictureBox2_MouseDown);
			// 
			// trackBar1
			// 
			this.trackBar1.BackColor = System.Drawing.Color.Red;
			this.trackBar1.Location = new System.Drawing.Point(200, 16);
			this.trackBar1.Maximum = 255;
			this.trackBar1.Name = "trackBar1";
			this.trackBar1.Size = new System.Drawing.Size(296, 45);
			this.trackBar1.TabIndex = 2;
			this.trackBar1.TickStyle = System.Windows.Forms.TickStyle.Both;
			this.trackBar1.Scroll += new System.EventHandler(this.trackBar1_Scroll);
			// 
			// trackBar2
			// 
			this.trackBar2.BackColor = System.Drawing.Color.Green;
			this.trackBar2.Location = new System.Drawing.Point(200, 56);
			this.trackBar2.Maximum = 255;
			this.trackBar2.Name = "trackBar2";
			this.trackBar2.Size = new System.Drawing.Size(296, 45);
			this.trackBar2.TabIndex = 3;
			this.trackBar2.Scroll += new System.EventHandler(this.trackBar1_Scroll);
			// 
			// trackBar3
			// 
			this.trackBar3.BackColor = System.Drawing.Color.Blue;
			this.trackBar3.Location = new System.Drawing.Point(200, 104);
			this.trackBar3.Maximum = 255;
			this.trackBar3.Name = "trackBar3";
			this.trackBar3.Size = new System.Drawing.Size(296, 45);
			this.trackBar3.TabIndex = 4;
			this.trackBar3.TickStyle = System.Windows.Forms.TickStyle.Both;
			this.trackBar3.Scroll += new System.EventHandler(this.trackBar1_Scroll);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(528, 419);
			this.Controls.Add(this.trackBar3);
			this.Controls.Add(this.trackBar2);
			this.Controls.Add(this.trackBar1);
			this.Controls.Add(this.pictureBox2);
			this.Controls.Add(this.pictureBox1);
			this.Name = "Form1";
			this.Text = "Form1";
			this.Load += new System.EventHandler(this.Form1_Load);
			((System.ComponentModel.ISupportInitialize)(this.trackBar1)).EndInit();
			((System.ComponentModel.ISupportInitialize)(this.trackBar2)).EndInit();
			((System.ComponentModel.ISupportInitialize)(this.trackBar3)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// 应用程序的主入口点。
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}


		private void pictureBox2_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
		{
		
			if(e.Button==MouseButtons.Left)
			{
				Graphics g=Graphics.FromImage(bmp);
				Pen p=new Pen(pen_c,point);
				g.DrawLine(p,oldx,oldy,e.X,e.Y);
				pictureBox2.Image=bmp;
				oldx=e.X;
				oldy=e.Y;
			}
		}

		private void trackBar1_Scroll(object sender, System.EventArgs e)
		{
            pictureBox1.BackColor=Color.FromArgb(trackBar1.Value,trackBar2.Value,trackBar3.Value);
			pen_c=Color.FromArgb(trackBar1.Value,trackBar2.Value,trackBar3.Value);
		}

		private void Form1_Load(object sender, System.EventArgs e)
		{
			pictureBox1.BackColor=Color.FromArgb(0,0,0);
			Graphics g=Graphics.FromImage(bmp);
			pen_c=Color.Black;
			point=3;
			g.Clear(Color.White);
			pictureBox2.Image=bmp;
			pictureBox2.Refresh();
		
		}

		private void pictureBox2_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
		{
			
			oldx=e.X;
			oldy=e.Y;
		
		}
	}
}